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<p> The <em>IfcTime</em> identifies a time within a day, expressed by hours, minutes and second. It is expressed by a string value following a particular lexical representation.</p>

<p> The lexical representation for <em>IfcTime</em> is: hh:mm:ss where where hh represents hours, mm minutes and ss seconds. 
Additional digits can be used to increase the precision of fractional seconds if desired i.e the format ss.ss... A time zone 
indicator may be provided by a representation of the different to the Coordinated Universal Time. It is appended with a sign [+/-] followed by hh and optionally :mm.
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<blockquote class="example">EXAMPLE&nbsp; 13:20:00-05:00 represents 1:20 pm for a time zone which is 5 hours behind Coordinated Universal 
Time (such as Eastern Standard Time)
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<blockquote class="note">
NOTE&nbsp; See extended format representation of <strong>time</strong> as defined in ISO&nbsp;8601. The restrictions defined in XML Schema Part 2 apply.
</blockquote>

<blockquote class="history">HISTORY&nbsp; New type in IFC4.</blockquote>

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